import java.util.Random;
import java.util.Scanner;

public class MethodDemo03 {
    public static void main(String[] args) {
//        Scanner scanner = new Scanner(System.in);
//        int i = scanner.nextInt();
//        System.out.println("请输入一个整数");
        int i = Until.i("请输入一个整数");
        System.out.println(i);


    }
}
